NWS Forecast for: Mount St Helens WA
Issued by: National Weather Service Portland, OR
Last Update: 10:58 am PST Nov 20, 2017
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  • This
    Afternoon

    This Afternoon: A 40 percent chance of snow.  Partly sunny, with a high near 42. West wind around 14 mph, with gusts as high as 20 mph.  Little or no snow accumulation expected.

    Chance Snow

    High: 42 °F

  • Tonight

    Tonight: Rain after 10pm.  Temperature rising to around 40 by 5am. South southwest wind 8 to 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain

    Low: 31 °F

  • Tuesday

    Tuesday: Rain. The rain could be heavy at times.  High near 46. Breezy, with a south wind 14 to 24 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Heavy Rain
    and Breezy

    High: 46 °F

  • Tuesday
    Night

    Tuesday Night: Rain.  Low around 40. Breezy, with a south southwest wind 21 to 24 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Rain and
    Breezy

    Low: 40 °F

  • Wednesday

    Wednesday: Rain.  High near 49. South southwest wind around 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    High: 49 °F

  • Wednesday
    Night

    Wednesday Night: Rain.  Low around 40. Breezy.  Chance of precipitation is 80%.

    Rain and
    Breezy

    Low: 40 °F

  • Thanksgiving
    Day

    Thanksgiving Day: Rain.  High near 44. Windy.  Chance of precipitation is 90%.

    Rain and
    Windy

    High: 44 °F

  • Thursday
    Night

    Thursday Night: Snow.  Mostly cloudy, with a low around 29. Breezy.

    Snow and
    Breezy

    Low: 29 °F

  • Friday

    Friday: Snow showers likely.  Mostly cloudy, with a high near 38.

    Snow Showers
    Likely

    High: 38 °F

  • This Afternoon: A 40 percent chance of snow. Partly sunny, with a high near 42. West wind around 14 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.

    Tonight: Rain after 10pm. Temperature rising to around 40 by 5am. South southwest wind 8 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Tuesday: Rain. The rain could be heavy at times. High near 46. Breezy, with a south wind 14 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Tuesday Night: Rain. Low around 40. Breezy, with a south southwest wind 21 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Wednesday: Rain. High near 49. South southwest wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Wednesday Night: Rain. Low around 40. Breezy. Chance of precipitation is 80%.

    Thanksgiving Day: Rain. High near 44. Windy. Chance of precipitation is 90%.

    Thursday Night: Snow. Mostly cloudy, with a low around 29. Breezy.

    Friday: Snow showers likely. Mostly cloudy, with a high near 38.

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around 29.

    Saturday: A chance of snow showers. Mostly cloudy, with a high near 43.

    Saturday Night: Snow likely. Mostly cloudy, with a low around 30.

    Sunday: Rain and snow likely. Mostly cloudy, with a high near 41.



    Mount St Helens WA
     46.2°N 122.18°W (Elev. 5997 ft)

    Visit your local NWS office at: http://www.wrh.noaa.gov/pqr